CN210552853U - Spiral water channel cooling mechanism of injection mold - Google Patents

Abstract

A spiral waterway cooling mechanism of an injection mold comprises an upper compound plate and a lower compound plate, wherein a fixed template is arranged below the upper compound plate, a fixed mold insert is arranged below the fixed template, mold feet are arranged on the lower compound plate, an upper thimble plate, a lower thimble plate, a straight ejector rod and an inclined ejector rod are arranged on the lower compound plate between the mold feet, a movable template is arranged on the mold feet, a movable mold insert is arranged on the movable template, an injection molded plastic piece is arranged between the movable mold insert and the fixed mold insert, the inclined ejector rod penetrates through the movable template and the movable mold insert to be matched with the plastic piece, an insert mounting groove is formed at the bottom of the movable mold insert, a water inlet hole and a water outlet hole are arranged in the movable die insert, a waterway insert made of beryllium copper is arranged in the insert mounting groove, a spiral ring groove is arranged on the outer wall of the waterway insert, the spiral ring groove is communicated with the water inlet hole and the water outlet hole, the center of the waterway insert block is provided with a straight top perforation, and a straight top rod passes through the movable template, the movable die insert block and the straight top perforation to be contacted with the center of the plastic piece.

Description

Spiral water channel cooling mechanism of injection mold

Technical Field

The utility model relates to an injection mold especially relates to injection mold's spiral water route cooling body.

Background

In injection mold, if the inner wall system of working of plastics has back-off or internal thread structure, need set up oblique ejector pin at the inner wall of working of plastics and carry out ejecting, four faces all need set up oblique ejector pin if the inner wall of working of plastics, and oblique ejector pin has taken up the inside most space of working of plastics, will be to the working of plastics inside and oblique ejector pin, parts such as movable mould insert cool off, if adopt traditional through-way water route, the through-way water route does not have the position to arrange because of the influence of four sides oblique top three sides draw the material pole structure, can't cool off the working of plastics, lead to the local overheat of mould, seriously influence the mould life-span, and oblique ejector pin heats the back and blocks easily, the inside cooling of working of plastics is inhomogeneous.

Disclosure of Invention

The utility model aims at overcoming the shortcoming that prior art exists, providing one kind to the working of plastics inside and oblique ejector pin cooling even, the cooling effect is good, improves mould life's injection mold's spiral water route cooling body.

The utility model discloses injection mold's spiral water route cooling body's technical scheme is: comprises an upper compound plate and a lower compound plate, wherein a fixed template is arranged below the upper compound plate, a fixed mold insert is arranged below the fixed template, mold feet are arranged on the lower compound plate, an upper thimble plate, a lower thimble plate, a straight ejector rod and an inclined ejector rod are arranged on the lower compound plate between the mold feet, a movable template is arranged on the mold feet, a movable mold insert is arranged on the movable template, an injection molded plastic piece is arranged between the movable mold insert and the fixed mold insert, the inclined ejector rod penetrates through the movable template and the movable mold insert to be matched with the plastic piece, an insert mounting groove is formed at the bottom of the movable mold insert, a water inlet hole and a water outlet hole are arranged in the movable die insert, a waterway insert made of beryllium copper is arranged in the insert mounting groove, a spiral ring groove is arranged on the outer wall of the waterway insert, the spiral ring groove is communicated with the water inlet hole and the water outlet hole, the center of the waterway insert block is provided with a straight top perforation, and a straight top rod passes through the movable template, the movable die insert block and the straight top perforation to be contacted with the center of the plastic piece.

The utility model discloses a spiral water path cooling mechanism of an injection mold, which is mainly characterized in that an insert mounting groove is arranged in a movable mold insert, a water path insert made of beryllium copper material is arranged in the insert mounting groove, a spiral ring groove is arranged on the outer wall of the water path insert, the spiral ring groove is spirally downward from the upper part of the water path insert to the lower part of the water path insert, the spiral ring groove and the inner wall of the insert mounting groove form a spiral water path, a water inlet hole and a water outlet hole are arranged in the movable mold insert (the water inlet hole and the water outlet hole can be arranged on the same side surface), the water inlet hole corresponds to the uppermost position of the spiral ring groove, the water outlet hole corresponds to the lowermost position of the spiral ring groove (the positions of the water inlet and the water outlet can be exchanged), cooling water enters the movable mold insert through the water inlet hole and is conveyed to the spiral ring groove of the, the part (namely the movable die insert, the straight ejector rod, the inclined ejector rod and the inner wall of the plastic part) can be uniformly cooled, the cooling effect is good, and the service life of the die is prolonged.

The utility model discloses injection mold's spiral water route cooling body, the mounting groove inner wall of inserting be interior conical surface, the outer wall that the water route was inserted is the external conical surface, the external conical surface cooperatees with interior conical surface, the system has the internal thread in the perforation of directly pushing up that the water route was inserted, during the dismantlement, the internal thread cooperatees with the double-screw bolt. The water route is inserted and is cooperated through the outer conical surface and the interior conical surface chucking of inserting the mounting groove inner wall, when will dismantling the water route and insert, only need to twist the double-screw bolt and directly push up fenestrate internal thread, people use the hand or with the instrument toward outer pull-out double-screw bolt, alright easily insert the water route and take out, the installation, dismantle very conveniently.

Drawings

FIG. 1 is a schematic structural view of a spiral water path cooling mechanism of the injection mold of the present invention;

FIG. 2 is a perspective view showing the fitting state of the movable mold insert, the straight ejector rod, the inclined ejector rod and the waterway insert;

FIG. 3 is a schematic structural diagram of the matching state of the movable die insert, the straight ejector rod, the inclined ejector rod and the waterway insert;

FIG. 4 is a perspective view of the waterway insert;

FIG. 5 is a rear perspective view of the movable die insert.

Detailed Description

The utility model relates to a spiral waterway cooling mechanism of an injection mold, as shown in figures 1-5, comprising an upper compound plate 1 and a lower compound plate 2, wherein a fixed template 3 is arranged under the upper compound plate, a fixed mold insert 4 is arranged under the fixed template, a mold foot 5 is arranged on the lower compound plate, an upper thimble plate 6, a lower thimble plate 7, a straight ejector rod 20 and an oblique ejector rod 8 are arranged on the lower compound plate between the mold feet, a movable template 9 is arranged on the mold foot, a movable mold insert 10 is arranged on the movable template, an injection molding plastic part 11 is arranged between the movable mold insert and the fixed mold insert 4, the oblique ejector rod passes through the movable template 9 and the movable mold insert 10 to match with the plastic part 11, an insert mounting groove 12 is arranged at the bottom of the movable mold insert 10, a water inlet 13 and a water outlet 14 are arranged in the movable mold insert, an insert 15 made of beryllium copper material is arranged in the insert mounting groove, a spiral annular groove 16 is arranged on the outer wall of the waterway insert, a straight top through hole 17 is formed in the center of the waterway insert 15, and a straight top rod 20 penetrates through the movable die plate 9, the movable die insert 10 and the straight top through hole 17 to be in contact with the center of the plastic piece 11. The water cooling device is mainly characterized in that an insert mounting groove 12 is formed in a movable die insert 10, a waterway insert 15 made of beryllium copper is arranged in the insert mounting groove, a spiral ring groove 16 is formed in the outer wall of the waterway insert, the spiral ring groove is spirally downward from the upper part of the waterway insert to the lower part of the waterway insert 15, a spiral waterway is formed by the spiral ring groove 16 and the inner wall of the insert mounting groove 12, a water inlet hole 13 and a water outlet hole 14 are formed in the movable die insert 10 (the water inlet hole and the water outlet hole can be arranged on the same side face), the water inlet hole corresponds to the uppermost end position of the spiral ring groove 16, the water outlet hole corresponds to the lowermost end position of the spiral ring groove (the positions of the water inlet hole and the water outlet hole can also be changed), cooling water enters the movable die insert 10 through the water inlet hole 13 and is conveyed to the spiral ring groove 16 of the waterway insert 15 through the movable, The straight ejector rod 20, the inclined ejector rod 8 and the inner wall of the plastic part 11) can be uniformly cooled, and the cooling effect is good, so that the service life of the die is prolonged. The inner wall of the insert mounting groove 12 is an inner conical surface 21, the outer wall of the waterway insert 15 is an outer conical surface 22, the outer conical surface is matched with the inner conical surface, an internal thread 23 is formed in a straight top through hole 17 of the waterway insert 15, and the internal thread is matched with the stud when the waterway insert is disassembled. The waterway insert 15 is tightly matched with the inner conical surface 21 of the inner wall of the insert mounting groove 12 through the outer conical surface 22, when the waterway insert 15 is to be disassembled, the stud is only required to be screwed into the inner thread 23 of the straight-top through hole 17, people can easily take out the waterway insert by pulling the stud outwards with hands or tools, and the waterway insert is very convenient to install and disassemble.

Claims (2)

1. Injection mold's spiral water route cooling body, including last compound plate (1) and lower compound plate (2), set up fixed die plate (3) under going up the compound plate, set up cover die insert (4) under the fixed die plate, set up moulding foot (5) on the compound plate down, set up thimble board (6) on the lower compound plate between the moulding foot, thimble board (7) and straight ejector pin (20) and oblique ejector pin (8) down, set up movable mould board (9) on the moulding foot, set up movable mould insert (10) on the movable mould board, there is injection moulding's working of plastics (11) between movable mould insert and the cover die insert (4), the oblique ejector pin passes movable mould board (9) and movable mould insert (10) and cooperate with working of plastics (11), its characterized in that: the water channel insert is characterized in that an insert mounting groove (12) is formed in the bottom of the movable die insert (10), a water inlet hole (13) and a water outlet hole (14) are formed in the movable die insert, a water channel insert (15) made of beryllium copper is arranged in the insert mounting groove, a spiral ring groove (16) is formed in the outer wall of the water channel insert, the spiral ring groove (16) is communicated with the water inlet hole (13) and the water outlet hole (14), a straight-ejecting through hole (17) is formed in the center of the water channel insert (15), and a straight-ejecting rod (20) penetrates through the movable die plate (9), the movable die insert (10) and the straight-ejecting through hole (.

2. The spiral waterway cooling mechanism of the injection mold of claim 1, wherein: the inner wall of the insert mounting groove (12) is an inner conical surface (21), the outer wall of the waterway insert (15) is an outer conical surface (22), the outer conical surface is matched with the inner conical surface, an internal thread (23) is arranged in a straight top through hole (17) of the waterway insert (15), and the internal thread is matched with the stud when the waterway insert is detached.

Images